From 575e5c675fee69330d07f76eadb135df32c1a1b5 Mon Sep 17 00:00:00 2001 From: Kevin Zhao Date: Fri, 5 Nov 2021 13:24:11 +0800 Subject: [PATCH] update the using of hashlib to meet the requirements of Federal Information Processing Standards (FIPS) --- ucsmsdk/ucsgenutils.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/ucsmsdk/ucsgenutils.py b/ucsmsdk/ucsgenutils.py index e2416baf..bf24d44f 100644 --- a/ucsmsdk/ucsgenutils.py +++ b/ucsmsdk/ucsgenutils.py @@ -389,7 +389,7 @@ def get_md5_sum(filename): import hashlib - md5_obj = hashlib.md5() + md5_obj = hashlib.md5(usedforsecurity=False) file_handler = open(filename, 'rb') for chunk in iter(lambda: file_handler.read(128 * md5_obj.block_size), b''): md5_obj.update(chunk) @@ -408,7 +408,7 @@ def get_sha_hash(input_string): import hashlib - return hashlib.md5(input_string).digest() + return hashlib.sha256(input_string).digest() def expand_key(key, clen): @@ -422,7 +422,7 @@ def expand_key(key, clen): x_key = [] seed = key for i_cnt in range(blocks): - seed = hashlib.md5(key + seed).digest() + seed = hashlib.sha256(key + seed).digest() x_key.append(seed) j_str = ''.join(x_key) return array('L', j_str)